mb_strstr

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

mb_strstrFinds first occurrence of a string within another

Descrição

mb_strstr ( string $haystack , string $needle , bool $before_needle = false , string|null $encoding = null ) : string|false

mb_strstr() finds the first occurrence of needle in haystack and returns the portion of haystack. If needle is not found, it returns false.

Parâmetros

haystack

The string from which to get the first occurrence of needle

needle

The string to find in haystack

before_needle

Determines which portion of haystack this function returns. If set to true, it returns all of haystack from the beginning to the first occurrence of needle (excluding needle). If set to false, it returns all of haystack from the first occurrence of needle to the end (including needle).

encoding

Character encoding name to use. If it is omitted, internal character encoding is used.

Valor Retornado

Returns the portion of haystack, or false if needle is not found.

Changelog

Versão Descrição
8.0.0 encoding is nullable now.

Veja Também

  • stristr() - strstr sem diferenciar maiúsculas e minúsculas
  • strstr() - Encontra a primeira ocorrencia de uma string
  • mb_stristr() - Finds first occurrence of a string within another, case insensitive

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